package server;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class StaticResourceUtil {

    public static String getAbsolutePath(String path){
        String absolutePath = StaticResourceUtil.class.getResource("/").getPath();
        return absolutePath.replaceAll("\\\\", "/") + path;
    }

    public static void outputStaticResource(InputStream inputStream, OutputStream outputStream) throws IOException {
        int count = 0;
        while(count == 0){
            count = inputStream.available();
        }

        int resourceSize = count;
        outputStream.write(HttpProtocolUtil.getHttpHeader200(resourceSize).getBytes());

        long written  = 0;
        int byteSize = 1024;
        byte[] bytes = new byte[1024];

        while(written < resourceSize){
            if(written + byteSize < resourceSize){
                byteSize = (int) (resourceSize - written);
                bytes = new byte[byteSize];
            }

            inputStream.read(bytes);
            outputStream.write(bytes);

            outputStream.flush();
            written += byteSize;
        }
    }
}
